HP ProBook 4430s Maintenance And Service Manual page 78

Description
With a fingerprint reader
Without a fingerprint reader
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the following components:
a. Bottom door (see
b. Hard drive (see
c.
Optical drive (see
d. WLAN module (see
e.
WWAN module (see
f.
Fan (see
g.
Heat sink (see
h.
Keyboard (see
Remove the top cover:
1.
Position the computer upside-down with the front toward you.
70 Chapter 4 Removal and replacement procedures
Battery on page
Bottom door on page
Hard drive on page
Optical drive on page
WLAN/Bluetooth combo card on page
WWAN module on page
Fan on page 65)
Heat sink on page
Keyboard on page
46).
48).
51)
49)
55)
67)
62)
Spare part number
646335-001
646337-001
57)